Im getting a solid 12 hours with heavy usage, always on battery saver.
im a contractor so Im all over the place from job to job.
WIfi Always on.
all locations services always on.
bluetooth off because I dont use it.
2-3 hours of gps. (with either music or podcasts streaming while im driving)
Blink feed constantly updating (i love blinkfeed)
twitter constantly updating.
20 emails a day.
30-40 text messages .
5 -10 (some times more) pictures a day.
1 - 2 hours of phone calls
All this and I get 12 hours a day. I also carry a Power bank in my tool bag. just in case. I do use it some times if Im streaming music over faux G while im working.
But i have no complaints. Tmobile, fauxG plan, 50 bux a month.